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It has been reported that changes in MMP-1 poorly correlated with disease intensity and progression in COPD

doi:10.1093/ajcn/nqz148

In addition, it prevents the oxidation of low-density lipoproteins and the inactivation of superoxide dismutase (Rudan et al., 2010)

Shalaby KH, Allard-Coutu A, OSullivan MJ, Nakada E, Qureshi ST, Day BJ, et al

The absorbance of the solubilized cells was measured at 540 nm using a spectrometer (Sunrise, Tecan Trading AG, Switzerland) to quantify the cell number

High levels of ascorbate result in lower expression of HIF (helps tumor cells shift from aerobic to anaerobic metabolism) which decreases tumor growth